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| author |   Maciej Purski <m.purski@samsung.com> | 2018-06-28 18:44:03 +0200 |
|---|---|---|
| committer |   Andrzej Hajda <a.hajda@samsung.com> | 2018-07-04 16:27:51 +0200 |
| commit | 44f9a4b0dc7563669772198e5b226cab58a00167 (patch) | |
| tree | 1852984c598e96ce0acff41df823c1d7fd026460 /drivers/gpu/drm/bridge/sil-sii8620.c | |
| parent | drm/bridge/sii8620: Fix display of packed pixel modes (diff) | |
| download | linux-dev-44f9a4b0dc7563669772198e5b226cab58a00167.tar.xz linux-dev-44f9a4b0dc7563669772198e5b226cab58a00167.zip | |
drm/bridge/sii8620: Fix link mode selection
Current link mode values do not allow to enable packed pixel modes.
Select packed pixel clock mode, if needed, every time the link mode
register gets updated.
Signed-off-by: Maciej Purski <m.purski@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1530204243-6370-4-git-send-email-m.purski@samsung.com
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/bridge/sil-sii8620.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c index 16fe7ea9d90c..a6e8f4591e63 100644 --- a/drivers/gpu/drm/bridge/sil-sii8620.c +++ b/drivers/gpu/drm/bridge/sil-sii8620.c @@ -1165,8 +1165,14 @@ static void sii8620_start_video(struct sii8620 *ctx) sii8620_set_format(ctx); if (!sii8620_is_mhl3(ctx)) { - sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE), - MHL_DST_LM_CLK_MODE_NORMAL | MHL_DST_LM_PATH_ENABLED); + u8 link_mode = MHL_DST_LM_PATH_ENABLED; + + if (ctx->use_packed_pixel) + link_mode |= MHL_DST_LM_CLK_MODE_PACKED_PIXEL; + else + link_mode |= MHL_DST_LM_CLK_MODE_NORMAL; + + sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE), link_mode); sii8620_set_auto_zone(ctx); } else { static const struct { @@ -1677,14 +1683,18 @@ static void sii8620_status_dcap_ready(struct sii8620 *ctx) static void sii8620_status_changed_path(struct sii8620 *ctx) { - if (ctx->stat[MHL_DST_LINK_MODE] & MHL_DST_LM_PATH_ENABLED) { - sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE), - MHL_DST_LM_CLK_MODE_NORMAL - | MHL_DST_LM_PATH_ENABLED); - } else { - sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE), - MHL_DST_LM_CLK_MODE_NORMAL); - } + u8 link_mode; + + if (ctx->use_packed_pixel) + link_mode = MHL_DST_LM_CLK_MODE_PACKED_PIXEL; + else + link_mode = MHL_DST_LM_CLK_MODE_NORMAL; + + if (ctx->stat[MHL_DST_LINK_MODE] & MHL_DST_LM_PATH_ENABLED) + link_mode |= MHL_DST_LM_PATH_ENABLED; + + sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE), + link_mode); } static void sii8620_msc_mr_write_stat(struct sii8620 *ctx) |